2021Duan, X., Chang, T., Jiao, K.-L., Wang, X.-H., Lin, X.-L. (2021)
Monopelopia Fittkau, 1962, a newly recorded genus from Oriental China (Diptera, Chironomidae) with a description of
Monopelopia zhengi Lin sp. n. Zootaxa 4980(2): 383-388. [publd 1.vi.2021]
Fang, X.-L., Wang, X.-H., Xiao, Y.-L., Fu, Y. (2021)
Thienemanniella convexa (Diptera, Chironomidae), a new species from Hunan Province, China. Annls zool. fenn. 59(1): 29-33. [publd online 2.viii.2021]
Giłka, W., Zakrzewska, M., Lukashevich, E. D., Vorontsov, D. D., Soszyńska-Maj, A., Skibińska, K., Cranston, P. S.(2021) Wanted, tracked down and identified: Mesozoic non-biting midges of the subfamily Chironominae (Chironomidae, Diptera). Zool. J. Linn. Soc. 194(3): 874-892. [publd online 16.vi.2021, with issue pagin. iii.2022]
Hamerlík, L., Silva, F. L. da (2021) Chironomidae of Central America. An illustrated introduction to larval subfossils. CRC Press, Boca Raton; 198 pp.Lencioni, V., Moubayed, J. (2021)
Synorthocladius federicoi sp. nov., a new species occurring in the middle basin of the Adige River, northern Italy (Diptera, Chironomidae, Orthocladiinae). ZooKeys 1057: 105-116. [publd 27.viii.2021]
Lin, X.-L., Yao, Y., Yan, Ch.-C., Liu, W.-B. (2021)
Stenochironomus zhengi sp. nov. from Dawei Mountain National Park, Yunnan, China (Diptera: Chironomidae). Zootaxa 4970(2): 385-390. [publd 14.v.2021]
Lin, X.-L., Yu, H.-J., Wang, X.-H., Bu, W.-J., Yan, Ch.-C., Liu, W.-B. (2021) New or little-known
Boreoheptagyia (Diptera, Chironomidae) in China inferred from morphology and DNA barcodes. ZooKeys 1040: 187-200. [publd 28.v.2021]
Liu, W.-B., Yao, Y., Yan, Ch.-C., Wang, X.-H., Lin, X.-L. (2021) A new species of
Polypedilum (Cerobregma) (Diptera, Chironomidae) from Oriental China. ZooKeys 1011: 139-148. [publd 22.i.2021]
Liu, W., Zhao, C., Kong, F., Yan, Ch., Wang, X. (2021) New species of
Limnophyes Eaton (Diptera, Chironomidae) from China and synonymy of L. fuscipygmus Tokunaga, 1940. ZooKeys 1011: 51-61. [publd 18.i.2021]
Makarchenko, E. A., Semenchenko, A. A., Palatov, D. M. (2021) New species and findings of
Pagastia Oliver (Diptera: Chironomidae: Diamesinae) from Central Asia, with DNA barcoding of known species of the genus. Zootaxa 4951(3): 559-570. [publd 7.iv.2021]
Makarchenko, E. A., Yavorskaya, N. M. (2021) Redescription of the little-known chironomid species
Parachaetocladius akanoctavus Sasa et Kamimura, 1987 (Diptera: Chironomidae: Orthocladiinae) from the Russian Far East. Evraziat. Entomol. Zh. (= Euroas. Entomol. J.) 20(3): 119-124. [in English, some texts also in Russian]
Moubayed-Breil, J., Mary, N. (2021)
Smittia zealandiana sp. n. a new semi-aquatic species occurring in the moss carpet of riparian Habitat in Mont Panié, New Caledonia [Diptera, Chironomidae]. Ephemera 22(1): 11-21.
Orel, O. V. (2021) Revision of the genus
Neozavrelia Goetghebuer, Thienemann, 1941 (Diptera: Chironomidae) from eastern Siberia and the Russian Far East, with the description of new species. Zootaxa 4938(3): 251-297. [publd 1.iii.2021]
Orendt, C., Bendt, Th. (2021) Orthocladiinae sensu lato (Orthocladiinae, Prodiamesinae, Diamesinae, Podonominae, Buchonomyiinae, Telmatogetoninae) (Diptera: Chironomidae). Keys to Central European larvae with respect to macroscopic characters. DGL Tools (DGL-Arbeitshilfen) 1-2021; German Limnol. Soc. (DGL e. V.), Essen; [2]+140 pp.
Pinho, L. C., Andersen, T. (2021) Neotropical
Nilothauma Kieffer, 1921 (Diptera, Chironomidae): Key, eleven new species, re-descriptions, new combination and new records. ZooKeys 1033: 81-125. [publd 22.iv.2021]
Schiffels, S., Bendt, T., Schäfer, L. (2021) Taxonomie für die Praxis. Bestimmungshilfen – Makrozoobenthos (4). Chironomidenlarven. Band 1 – Chironomini. LANUV-Arbeitsblatt 50, Landesamt für Natur, Umwelt und Verbraucherschutz Nordrhein-Westfalen, Recklinghausen; 293 pp. [NOTE: not a key in a classical sense, but an 'identification aid' offering genus and species profiles with many high-quality photographs; may be ordered for € 25 + postage via:
https://www.lanuv.nrw.de/landesamt/veroeffentlichungen/publikationen/arbeitsblaetter[/url]]
Shimabukuro, E. M., Dantas, G. P. S., Lamas, C. J. E. (2021) A new madicolous species of
Nilotanypus Kieffer (Diptera: Chironomidae) from Amazon region, northwestern Brazil. Zootaxa 4948(3): 431-438. [publd 22.iii.2021]
Song, Ch., Zhu, B., Liu, W., Qi, X. (2021) On the genus
Polypedilum, subgenus
Collartomyia, with description of
P. (Col.) baishanzuensis sp. nov. from Baishanzu Nature Reserve, China (Diptera, Chironomidae). ZooKeys 1065: 1-12. [publd 22.x.2021]